﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;

using AutomationAdmin.Views;
using AutomationAdmin.ViewModels;
using AutomationAdmin.Utils;

namespace AutomationAdmin
{
    public partial class App : Application
    {
        private AutomationAppList _automationAppList;

        public AutomationAppList AutomationAppList
        {
            get 
            {
                if (_automationAppList == null)
                {
                    _automationAppList = new AutomationAppList();
                    _automationAppList.UpdateAutomationApps(DemoHelper.GenAutomationApps());
                }

                return _automationAppList; 
            }
        }

        private AppState _appState = new AppState();

        public AppState AppState
        {
            get 
            {
                _appState.UpdateRequests(DemoHelper.GenAutomationReqs().ToArray());
                _appState.UpdateUsers(DemoHelper.GenUsers().ToArray());
                _appState.UpdateUserPermissions(DemoHelper.GenUserPermissions(
                    _appState.Users, AutomationAppList.AutomationApps).ToArray());
                _appState.UpdateAccessAppRequests(DemoHelper.GenAccessAppRequests(
                    _appState.Users, AutomationAppList.AutomationApps).ToArray());
                return _appState; 
            }
        }

        public static AppState CurrentAppState
        {
            get
            {
                App app = Application.Current as App;
                if (app != null)
                    return app.AppState;
                return new AppState();
            }
        }

        public static AutomationAppList CurrentAutomationAppList
        {
            get 
            {
                App app = Application.Current as App;
                if (app != null)
                    return app.AutomationAppList;
                return new AutomationAppList();
            }
        }

        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            AppState.NavPath = "";
            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            this.RootVisual = new MainPage();
            AutomationAdmin.Utils.MouseWheel.Enable(this.RootVisual);
            //this.AppState.UserName = e.InitParams["UserAccount"];
        }

        private void Application_Exit(object sender, EventArgs e)
        {

        }
        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {

                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }
        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
            }
            catch (Exception)
            {
            }
        }
    }
}
